Industry Insider Activity

Semiconductor Equipment & Materials insider activity

Concentrated executive and director transaction evidence across 22 companies, with acquisition/disposal balance, filing cadence, value concentration, and linked company research.

Latest filing 21 Jul 2026 981 filings tracked

Top-level read

Net insider selling

Semiconductor Equipment & Materials shows 285 acquisition filings against 696 disposal filings. The largest stored filing is $35.2M in AMAT by DICKERSON, GARY E.

Net value $-515.8Macquisitions minus disposals
Companies 22with stored filings
Total filings 981stored transaction rows
Acquisition value $22.3M285 acquisitions
Disposal value $538.1M696 disposals
Largest filing $35.2Mreported transaction value

Filing cadence

Last 12 active months
Mar 2026 30
Apr 2026 169
May 2026 320
Jun 2026 357
Jul 2026 103

Acquisitions 29.1% · Disposals 70.9%

Company Reads

Most active company insider tapes

22 shown

Transaction Evidence

Latest filings in Semiconductor Equipment & Materials

Showing 31-60 of 981
Date 15 Jul 2026
Symbol COHUCohu Inc
Insider JONES, JEFFREY DSr. VP Finance & CFO
Side Disposal
Shares 190590
Value 0
Industry Semiconductor Equipment & Materials
Date 15 Jul 2026
Symbol COHUCohu Inc
Insider JONES, JEFFREY DSr. VP Finance & CFO
Side Acquisition
Shares 190590
Value 0
Industry Semiconductor Equipment & Materials
Date 14 Jul 2026
Symbol AEHRAehr Test Systems
Insider ERICKSON, GAYNDirector, President and CEO
Side Disposal
Shares 3447
Value 248218
Industry Semiconductor Equipment & Materials
Date 14 Jul 2026
Symbol AMKRAmkor Technology Inc
Insider FAUST, MEGANCFO
Side Disposal
Shares 1000
Value 69910
Industry Semiconductor Equipment & Materials
Date 14 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Disposal
Shares 573
Value 41262
Industry Semiconductor Equipment & Materials
Date 14 Jul 2026
Symbol AEHRAehr Test Systems
Insider RICHMOND, DONALD P. IICTO
Side Disposal
Shares 328
Value 23619
Industry Semiconductor Equipment & Materials
Date 14 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Acquisition
Shares 3538
Value 5785
Industry Semiconductor Equipment & Materials
Date 14 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Disposal
Shares 3538
Value 0
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol LRCXLam Research Corp
Insider TALWALKAR, ABHIJIT YDirector
Side Disposal
Shares 18282
Value 6124470
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider ERICKSON, GAYNDirector, President and CEO
Side Disposal
Shares 4404
Value 319730
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider SIU, CHRISCFO
Side Disposal
Shares 988
Value 71729
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Disposal
Shares 588
Value 42689
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Acquisition
Shares 21200
Value 34662
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider RICHMOND, DONALD P. IICTO
Side Disposal
Shares 423
Value 30710
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider ENGINEER, ADILChief Operating Officer
Side Disposal
Shares 387
Value 28096
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Acquisition
Shares 15262
Value 24953
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider SPORCK, ALISTAIR NVP Contactor Business Unit
Side Disposal
Shares 209
Value 15173
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Disposal
Shares 21200
Value 0
Industry Semiconductor Equipment & Materials
Date 13 Jul 2026
Symbol AEHRAehr Test Systems
Insider ROGERS, VERNONExec VP of Sales & Mktg.
Side Disposal
Shares 15262
Value 0
Industry Semiconductor Equipment & Materials
Date 9 Jul 2026
Symbol AMBAAmbarella Inc
Insider CHEN, YUN-LUNGVP, Business Dev. & Marketing
Side Disposal
Shares 5958
Value 468656
Industry Semiconductor Equipment & Materials
Date 6 Jul 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider DIGNAM, DENISEDirector
Side Acquisition
Shares 407
Value 0
Industry Semiconductor Equipment & Materials
Date 6 Jul 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider KONG, PETER T MDirector
Side Acquisition
Shares 407
Value 0
Industry Semiconductor Equipment & Materials
Date 6 Jul 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider MILZCIK, GREGORY FDirector
Side Acquisition
Shares 407
Value 0
Industry Semiconductor Equipment & Materials
Date 6 Jul 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider OLSON, JON ADirector
Side Acquisition
Shares 407
Value 0
Industry Semiconductor Equipment & Materials
Date 6 Jul 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider RICHARDSON, DAVID JEFFREYDirector
Side Acquisition
Shares 407
Value 0
Industry Semiconductor Equipment & Materials
Date 6 Jul 2026
Symbol KLICKulicke and Soffa Industries Inc
Insider YEO, MUI SUNGDirector
Side Acquisition
Shares 407
Value 0
Industry Semiconductor Equipment & Materials
Date 2 Jul 2026
Symbol LRCXLam Research Corp
Insider ARCHER, TIMOTHYPresident and CEO
Side Disposal
Shares 30000
Value 11700300
Industry Semiconductor Equipment & Materials
Date 2 Jul 2026
Symbol KLACKLA Corporation
Insider HIGGINS, BREN D.EVP & Chief Financial Officer
Side Disposal
Shares 27701
Value 7359879
Industry Semiconductor Equipment & Materials
Date 2 Jul 2026
Symbol LRCXLam Research Corp
Insider ARCHER, TIMOTHYPresident and CEO
Side Acquisition
Shares 30000
Value 900990
Industry Semiconductor Equipment & Materials
Date 2 Jul 2026
Symbol UCTTUltra Clean Holdings Inc
Insider HARDING, BRIAN EChief Accounting Officer
Side Disposal
Shares 2194
Value 281638
Industry Semiconductor Equipment & Materials